Click the Exhibit button. Within an ONS 15454, you are provisioning a circuit on an unprotected UPSR ring. In the exhibit, which two must you configure?（） (Choose two.)
A. revertive
B. circuit type
C. circuit size
D. bidirectional
E. protected drops
F. switch on PDI-P
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A.225 ft
B.450 ft
C.655 ft
D.900 ft
最新試題
What is an advantage of an externally modulated laser over a directly modulated laser?（）
What protection method is used in 4F BLSR networks?（）
A Channel ID mismatch occurs when （）.
For lasers with tightly controlled wavelengths, approximately how far apart are the centers of adjacent wavelengths when 100 GHz spacing is used in a DWDM system?（）
A 2.5 Gb/s (OC-48 or STM-16) optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km?（）
What is the difference between the transmitted power and the sensitivity of the receiver?（）
Click the Exhibit button. The exhibit shows a 15454/15216 DWDM system and alarm indications. What are two possible sources of trouble shown in the system?（） (Choose two.)
Scrambling of SONET signals is done to （）.
SONET Code Violations (CVs) totals in the PM tables are actually an accumulation of the number of （）.
What are two important considerations when using 2- or 4-channel 15216 OADMs?（） (Choose two.)